Finding the Fourth Proportional to 10,112.83, 15,166.82 and 5,179.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,112.83 : 15,166.82 = 5,179.93 : x
2. Step 2: Convert to fraction form
   10,112.83/15,166.82 = 5,179.93/x
3. Step 3: Cross multiply
   10,112.83x = 15,166.82 × 5,179.93
4. Step 4: Simplify right side
   10,112.83x = 78,563,068.69
5. Step 5: Solve for x
   x = 78,563,068.69/10,112.83
6. Step 6: Final answer
   x = 7,768.65